de.mhus.osgi.api.util.MServiceMap Maven / Gradle / Ivy

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commands OSGi blueprint bundle project.

There is a newer version: 7.8.0

/**
 * Copyright 2018 Mike Hummel
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of the License at
 *
 * 
http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing permissions and
 * limitations under the License.
 */
package de.mhus.osgi.api.util;

import java.lang.reflect.Array;
import java.util.HashMap;

import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;

import de.mhus.osgi.api.MOsgi;

public class MServiceMap extends MServiceTracker {

    protected HashMap map = new HashMap<>();

    public MServiceMap(Class clazz) {
        super(clazz);
    }

    public MServiceMap(BundleContext context, Class clazz) {
        super(context, clazz);
    }

    @Override
    protected void removeService(ServiceReference reference, T service) {
        synchronized (map) {
            map.remove(getServiceName(reference, service));
        }
    }

    protected String getServiceName(ServiceReference reference, T service) {
        return MOsgi.getServiceName(reference);
    }

    @Override
    protected void addService(ServiceReference reference, T service) {
        synchronized (map) {
            map.put(getServiceName(reference, service), service);
        }
    }

    @SuppressWarnings("unchecked")
    public T[] getServices() {
        synchronized (map) {
            return map.values().toArray((T[]) Array.newInstance(clazz, map.size()));
        }
    }

    public String[] getNames() {
        synchronized (map) {
            return map.keySet().toArray(new String[map.size()]);
        }
    }

    public T getService(String name) {
        synchronized (map) {
            return map.get(name);
        }
    }
}